Index: device/u2f/u2f_register_unittest.cc |
diff --git a/device/u2f/u2f_register_unittest.cc b/device/u2f/u2f_register_unittest.cc |
index 2d0d2d4f999161ee504e123b4359e63b7adff1a6..6b183da56e302e3a9645a0f0a54a966360a08a1b 100644 |
--- a/device/u2f/u2f_register_unittest.cc |
+++ b/device/u2f/u2f_register_unittest.cc |
@@ -38,7 +38,7 @@ class TestRegisterCallback { |
~TestRegisterCallback() {} |
void ReceivedCallback(U2fReturnCode status_code, |
- std::vector<uint8_t> response) { |
+ const std::vector<uint8_t>& response) { |
response_ = std::make_pair(status_code, response); |
closure_.Run(); |
} |